lib/fmal.c

   1 /* Fused multiply-add.
   2    Copyright (C) 2011-2024 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation, either version 3 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2011.  */
  18
  19 #include <config.h>
  20
  21 #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
  22
  23 /* Specification.  */
  24 # include <math.h>
  25
  26 long double
  27 fmal (long double x, long double y, long double z)
  28 {
  29   return fma (x, y, z);
  30 }
  31
  32 #else
  33
  34 # define USE_LONG_DOUBLE
  35 # include "fma.c"
  36
  37 #endif